Fetch data source for git dependency installs

Author: mneuhaus

bin/ensure_minecraft_data.js

@@ -3,7 +3,27 @@
 const fs = require('fs')
 const { spawnSync } = require('child_process')
 
-if (fs.existsSync('minecraft-data/data/dataPaths.json')) process.exit(0)
+const dataPaths = 'minecraft-data/data/dataPaths.json'
+const dataRepo = 'https://github.com/mneuhaus/minecraft-data.git'
+const dataBranch = 'pc_26_1_2'
 
-const result = spawnSync('git', ['submodule', 'update', '--init', '--recursive'], { stdio: 'inherit' })
-if (result.status !== 0) process.exit(result.status || 1)
+if (fs.existsSync(dataPaths)) process.exit(0)
+
+if (fs.existsSync('.git')) {
+  const result = spawnSync('git', ['submodule', 'update', '--init', '--recursive'], { stdio: 'inherit' })
+  if (result.status !== 0) process.exit(result.status || 1)
+  if (fs.existsSync(dataPaths)) process.exit(0)
+}
+
+fs.rmSync('minecraft-data', { recursive: true, force: true })
+
+const clone = spawnSync('git', ['clone', '--depth', '1', '--filter=blob:none', '--sparse', '--branch', dataBranch, dataRepo, 'minecraft-data'], { stdio: 'inherit' })
+if (clone.status !== 0) process.exit(clone.status || 1)
+
+const sparse = spawnSync('git', ['-C', 'minecraft-data', 'sparse-checkout', 'set', 'data'], { stdio: 'inherit' })
+if (sparse.status !== 0) process.exit(sparse.status || 1)
+
+if (!fs.existsSync(dataPaths)) {
+  console.error(`Could not load ${dataPaths}`)
+  process.exit(1)
+}